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Building a Recommender System using LLM and Collaborative Filtering: A Step-by-Step Guide

This story is from 2026-09-12. It is preserved in the archive; the latest stories are on the live feed.

Most recommender systems stop at a score. In this guide we will build a hybrid movie recommender that uses collaborative filtering to surface candidates and an LLM on Oxlo.ai to rank them and generate concise explanations. It is useful for any engineer who needs transparent, reasoning-aware recomme…

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  1. 2026-09-12 01:35 · DEV Community — AI
    Building a Recommender System using LLM and Collaborative Filtering: A Step-by-Step Guide

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